./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label23_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a927680b-5660-449a-8fd3-6b06ea987b6b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a927680b-5660-449a-8fd3-6b06ea987b6b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a927680b-5660-449a-8fd3-6b06ea987b6b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a927680b-5660-449a-8fd3-6b06ea987b6b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label23_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a927680b-5660-449a-8fd3-6b06ea987b6b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a927680b-5660-449a-8fd3-6b06ea987b6b/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a07d46acee19a1bf676413a71857b7cd94a5f704 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 08:09:49,570 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 08:09:49,571 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 08:09:49,578 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 08:09:49,578 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 08:09:49,578 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 08:09:49,579 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 08:09:49,580 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 08:09:49,580 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 08:09:49,581 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 08:09:49,581 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 08:09:49,581 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 08:09:49,582 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 08:09:49,582 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 08:09:49,583 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 08:09:49,583 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 08:09:49,584 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 08:09:49,585 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 08:09:49,586 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 08:09:49,586 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 08:09:49,587 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 08:09:49,588 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 08:09:49,589 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 08:09:49,589 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 08:09:49,589 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 08:09:49,590 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 08:09:49,590 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 08:09:49,591 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 08:09:49,591 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 08:09:49,591 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 08:09:49,592 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 08:09:49,592 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 08:09:49,592 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 08:09:49,592 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 08:09:49,593 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 08:09:49,593 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 08:09:49,593 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a927680b-5660-449a-8fd3-6b06ea987b6b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 08:09:49,601 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 08:09:49,601 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 08:09:49,601 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 08:09:49,601 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 08:09:49,602 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 08:09:49,602 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 08:09:49,602 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 08:09:49,602 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 08:09:49,602 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 08:09:49,602 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 08:09:49,602 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 08:09:49,602 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 08:09:49,603 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 08:09:49,603 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 08:09:49,603 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 08:09:49,603 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 08:09:49,603 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 08:09:49,603 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 08:09:49,603 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 08:09:49,603 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 08:09:49,603 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 08:09:49,603 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 08:09:49,603 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 08:09:49,604 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 08:09:49,604 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 08:09:49,604 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 08:09:49,604 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 08:09:49,604 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 08:09:49,604 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 08:09:49,604 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_a927680b-5660-449a-8fd3-6b06ea987b6b/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a07d46acee19a1bf676413a71857b7cd94a5f704 [2018-12-09 08:09:49,622 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 08:09:49,631 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 08:09:49,634 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 08:09:49,635 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 08:09:49,635 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 08:09:49,636 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a927680b-5660-449a-8fd3-6b06ea987b6b/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label23_true-unreach-call_false-termination.c [2018-12-09 08:09:49,673 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a927680b-5660-449a-8fd3-6b06ea987b6b/bin-2019/ukojak/data/dc03063d6/d62d32e841f04b71ab06eaee730ec01c/FLAG1bbd639bc [2018-12-09 08:09:50,072 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 08:09:50,072 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a927680b-5660-449a-8fd3-6b06ea987b6b/sv-benchmarks/c/eca-rers2012/Problem02_label23_true-unreach-call_false-termination.c [2018-12-09 08:09:50,078 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a927680b-5660-449a-8fd3-6b06ea987b6b/bin-2019/ukojak/data/dc03063d6/d62d32e841f04b71ab06eaee730ec01c/FLAG1bbd639bc [2018-12-09 08:09:50,409 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a927680b-5660-449a-8fd3-6b06ea987b6b/bin-2019/ukojak/data/dc03063d6/d62d32e841f04b71ab06eaee730ec01c [2018-12-09 08:09:50,411 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 08:09:50,412 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 08:09:50,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 08:09:50,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 08:09:50,414 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 08:09:50,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:09:50" (1/1) ... [2018-12-09 08:09:50,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c7a2c36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:09:50, skipping insertion in model container [2018-12-09 08:09:50,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:09:50" (1/1) ... [2018-12-09 08:09:50,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 08:09:50,443 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 08:09:50,611 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:09:50,614 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 08:09:50,693 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:09:50,703 INFO L195 MainTranslator]: Completed translation [2018-12-09 08:09:50,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:09:50 WrapperNode [2018-12-09 08:09:50,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 08:09:50,703 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 08:09:50,704 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 08:09:50,704 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 08:09:50,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:09:50" (1/1) ... [2018-12-09 08:09:50,717 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:09:50" (1/1) ... [2018-12-09 08:09:50,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 08:09:50,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 08:09:50,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 08:09:50,743 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 08:09:50,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:09:50" (1/1) ... [2018-12-09 08:09:50,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:09:50" (1/1) ... [2018-12-09 08:09:50,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:09:50" (1/1) ... [2018-12-09 08:09:50,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:09:50" (1/1) ... [2018-12-09 08:09:50,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:09:50" (1/1) ... [2018-12-09 08:09:50,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:09:50" (1/1) ... [2018-12-09 08:09:50,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:09:50" (1/1) ... [2018-12-09 08:09:50,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 08:09:50,772 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 08:09:50,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 08:09:50,773 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 08:09:50,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:09:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a927680b-5660-449a-8fd3-6b06ea987b6b/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 08:09:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 08:09:50,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 08:09:51,833 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 08:09:51,833 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 08:09:51,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:09:51 BoogieIcfgContainer [2018-12-09 08:09:51,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 08:09:51,834 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 08:09:51,834 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 08:09:51,840 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 08:09:51,840 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:09:51" (1/1) ... [2018-12-09 08:09:51,847 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:09:51,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:09:51,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-09 08:09:51,871 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-09 08:09:51,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-09 08:09:51,875 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:09:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:09:52,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:09:52,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:09:52,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 163 states and 251 transitions. [2018-12-09 08:09:52,412 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 251 transitions. [2018-12-09 08:09:52,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-09 08:09:52,414 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:09:52,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:09:52,482 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:09:52,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:09:52,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 241 states and 341 transitions. [2018-12-09 08:09:52,836 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 341 transitions. [2018-12-09 08:09:52,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 08:09:52,837 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:09:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:09:52,920 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:09:53,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:09:53,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 245 states and 347 transitions. [2018-12-09 08:09:53,049 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 347 transitions. [2018-12-09 08:09:53,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-09 08:09:53,051 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:09:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:09:53,071 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:09:53,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:09:53,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 254 states and 358 transitions. [2018-12-09 08:09:53,121 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 358 transitions. [2018-12-09 08:09:53,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 08:09:53,122 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:09:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:09:53,136 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 08:09:53,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:09:53,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 264 states and 372 transitions. [2018-12-09 08:09:53,264 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 372 transitions. [2018-12-09 08:09:53,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 08:09:53,266 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:09:53,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:09:53,285 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:09:53,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:09:53,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 269 states and 377 transitions. [2018-12-09 08:09:53,306 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 377 transitions. [2018-12-09 08:09:53,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-09 08:09:53,306 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:09:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:09:53,380 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:09:53,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:09:53,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 286 states and 401 transitions. [2018-12-09 08:09:53,857 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 401 transitions. [2018-12-09 08:09:53,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-09 08:09:53,857 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:09:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:09:53,871 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 08:09:53,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:09:53,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 290 states and 406 transitions. [2018-12-09 08:09:53,930 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 406 transitions. [2018-12-09 08:09:53,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-09 08:09:53,931 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:09:53,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:09:53,946 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:09:54,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:09:54,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 294 states and 411 transitions. [2018-12-09 08:09:54,036 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 411 transitions. [2018-12-09 08:09:54,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-09 08:09:54,037 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:09:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:09:54,051 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 08:09:54,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:09:54,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 295 states and 412 transitions. [2018-12-09 08:09:54,061 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 412 transitions. [2018-12-09 08:09:54,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 08:09:54,062 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:09:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:09:54,080 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:09:54,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:09:54,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 298 states and 414 transitions. [2018-12-09 08:09:54,138 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 414 transitions. [2018-12-09 08:09:54,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 08:09:54,139 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:09:54,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:09:54,158 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:09:54,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:09:54,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 305 states and 421 transitions. [2018-12-09 08:09:54,185 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 421 transitions. [2018-12-09 08:09:54,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-09 08:09:54,186 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:09:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:09:54,200 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 08:09:54,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:09:54,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 312 states and 428 transitions. [2018-12-09 08:09:54,237 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 428 transitions. [2018-12-09 08:09:54,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 08:09:54,237 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:09:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:09:54,250 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:09:54,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:09:54,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 318 states and 434 transitions. [2018-12-09 08:09:54,272 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 434 transitions. [2018-12-09 08:09:54,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 08:09:54,273 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:09:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:09:54,306 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:09:54,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:09:54,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 334 states and 454 transitions. [2018-12-09 08:09:54,584 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 454 transitions. [2018-12-09 08:09:54,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 08:09:54,584 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:09:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:09:54,643 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 08:09:54,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:09:54,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 352 states and 475 transitions. [2018-12-09 08:09:54,877 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 475 transitions. [2018-12-09 08:09:54,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-12-09 08:09:54,878 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:09:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:09:54,986 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 08:09:55,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:09:55,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 456 states and 589 transitions. [2018-12-09 08:09:55,718 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 589 transitions. [2018-12-09 08:09:55,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-09 08:09:55,719 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:09:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:09:55,746 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:09:55,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:09:55,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 463 states and 596 transitions. [2018-12-09 08:09:55,770 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 596 transitions. [2018-12-09 08:09:55,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-09 08:09:55,770 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:09:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:09:55,834 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:09:56,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:09:56,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 494 states and 638 transitions. [2018-12-09 08:09:56,404 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 638 transitions. [2018-12-09 08:09:56,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-09 08:09:56,405 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:09:56,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:09:56,431 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:09:56,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:09:56,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 499 states and 642 transitions. [2018-12-09 08:09:56,555 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 642 transitions. [2018-12-09 08:09:56,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-09 08:09:56,556 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:09:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:09:56,646 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 08:09:57,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:09:57,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 529 states and 681 transitions. [2018-12-09 08:09:57,210 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 681 transitions. [2018-12-09 08:09:57,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-09 08:09:57,211 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:09:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:09:57,282 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 08:09:57,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:09:57,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 537 states and 694 transitions. [2018-12-09 08:09:57,514 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 694 transitions. [2018-12-09 08:09:57,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-09 08:09:57,514 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:09:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:09:57,565 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 08:09:57,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:09:57,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 545 states and 703 transitions. [2018-12-09 08:09:57,848 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 703 transitions. [2018-12-09 08:09:57,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-09 08:09:57,849 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:09:57,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:09:57,899 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 08:09:58,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:09:58,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 565 states and 722 transitions. [2018-12-09 08:09:58,145 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 722 transitions. [2018-12-09 08:09:58,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-09 08:09:58,146 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:09:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:09:58,163 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:09:58,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:09:58,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 587 states and 755 transitions. [2018-12-09 08:09:58,513 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 755 transitions. [2018-12-09 08:09:58,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-09 08:09:58,514 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:09:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:09:58,529 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:09:58,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:09:58,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 590 states and 757 transitions. [2018-12-09 08:09:58,650 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 757 transitions. [2018-12-09 08:09:58,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-09 08:09:58,650 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:09:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:09:58,666 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 08:09:58,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:09:58,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 613 states and 783 transitions. [2018-12-09 08:09:58,894 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 783 transitions. [2018-12-09 08:09:58,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-09 08:09:58,894 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:09:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:09:58,919 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 08:09:59,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:09:59,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 619 states and 792 transitions. [2018-12-09 08:09:59,230 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 792 transitions. [2018-12-09 08:09:59,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-09 08:09:59,230 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:09:59,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:09:59,248 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:09:59,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:09:59,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 652 states and 827 transitions. [2018-12-09 08:09:59,455 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 827 transitions. [2018-12-09 08:09:59,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 08:09:59,456 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:09:59,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:09:59,472 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:09:59,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:09:59,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 661 states and 835 transitions. [2018-12-09 08:09:59,571 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 835 transitions. [2018-12-09 08:09:59,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-09 08:09:59,571 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:09:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:09:59,588 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 08:09:59,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:09:59,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 683 states and 857 transitions. [2018-12-09 08:09:59,730 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 857 transitions. [2018-12-09 08:09:59,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-09 08:09:59,731 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:09:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:09:59,749 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:10:00,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:00,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 727 states and 911 transitions. [2018-12-09 08:10:00,569 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 911 transitions. [2018-12-09 08:10:00,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-09 08:10:00,569 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:00,657 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:10:01,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:01,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 758 states and 954 transitions. [2018-12-09 08:10:01,280 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 954 transitions. [2018-12-09 08:10:01,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-09 08:10:01,280 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:01,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:01,320 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:10:01,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:01,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 761 states and 956 transitions. [2018-12-09 08:10:01,463 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 956 transitions. [2018-12-09 08:10:01,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-09 08:10:01,463 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:01,590 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 08:10:01,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:01,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 777 states and 974 transitions. [2018-12-09 08:10:01,934 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 974 transitions. [2018-12-09 08:10:01,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-09 08:10:01,935 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:01,957 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:10:02,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:02,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 785 states and 988 transitions. [2018-12-09 08:10:02,276 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 988 transitions. [2018-12-09 08:10:02,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-09 08:10:02,277 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:02,294 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:10:02,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:02,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 793 states and 997 transitions. [2018-12-09 08:10:02,618 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 997 transitions. [2018-12-09 08:10:02,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-09 08:10:02,619 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:02,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:02,650 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:10:02,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:02,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 813 states and 1015 transitions. [2018-12-09 08:10:02,852 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1015 transitions. [2018-12-09 08:10:02,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-09 08:10:02,853 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:02,869 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:10:03,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:03,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 817 states and 1025 transitions. [2018-12-09 08:10:03,216 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1025 transitions. [2018-12-09 08:10:03,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-09 08:10:03,217 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:03,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:03,466 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 08:10:04,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:04,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 848 states and 1064 transitions. [2018-12-09 08:10:04,997 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1064 transitions. [2018-12-09 08:10:04,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-09 08:10:04,998 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:05,053 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 08:10:05,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:05,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 853 states and 1068 transitions. [2018-12-09 08:10:05,317 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1068 transitions. [2018-12-09 08:10:05,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 08:10:05,318 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:05,402 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:10:05,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:05,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 873 states and 1091 transitions. [2018-12-09 08:10:05,845 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1091 transitions. [2018-12-09 08:10:05,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 08:10:05,845 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:05,887 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:10:05,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:05,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 882 states and 1099 transitions. [2018-12-09 08:10:05,998 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1099 transitions. [2018-12-09 08:10:05,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 08:10:05,999 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:06,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:06,042 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:10:06,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:06,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 891 states and 1107 transitions. [2018-12-09 08:10:06,213 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1107 transitions. [2018-12-09 08:10:06,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-09 08:10:06,214 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:06,451 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:10:08,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:08,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 949 states and 1176 transitions. [2018-12-09 08:10:08,837 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1176 transitions. [2018-12-09 08:10:08,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-09 08:10:08,837 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:08,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:08,859 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 08:10:09,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:09,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 953 states and 1185 transitions. [2018-12-09 08:10:09,147 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1185 transitions. [2018-12-09 08:10:09,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-09 08:10:09,148 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:09,164 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 08:10:09,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:09,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 956 states and 1189 transitions. [2018-12-09 08:10:09,303 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1189 transitions. [2018-12-09 08:10:09,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-09 08:10:09,303 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:09,332 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:10:09,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:09,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 979 states and 1215 transitions. [2018-12-09 08:10:09,758 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1215 transitions. [2018-12-09 08:10:09,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-09 08:10:09,758 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:09,777 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:10:10,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:10,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 995 states and 1232 transitions. [2018-12-09 08:10:10,128 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1232 transitions. [2018-12-09 08:10:10,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-09 08:10:10,129 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:10,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:10,150 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:10:10,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:10,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1004 states and 1240 transitions. [2018-12-09 08:10:10,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1240 transitions. [2018-12-09 08:10:10,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-09 08:10:10,347 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:10,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:10,376 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:10:10,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:10,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1013 states and 1248 transitions. [2018-12-09 08:10:10,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1248 transitions. [2018-12-09 08:10:10,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-09 08:10:10,557 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:10,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:10,577 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:10:10,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:10,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1022 states and 1256 transitions. [2018-12-09 08:10:10,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1256 transitions. [2018-12-09 08:10:10,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-09 08:10:10,763 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:10,953 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:10:17,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:17,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1082 states and 1326 transitions. [2018-12-09 08:10:17,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1326 transitions. [2018-12-09 08:10:17,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-09 08:10:17,537 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:17,562 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 08:10:17,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:17,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1085 states and 1329 transitions. [2018-12-09 08:10:17,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1329 transitions. [2018-12-09 08:10:17,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-09 08:10:17,825 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:18,036 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:10:19,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:19,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1115 states and 1362 transitions. [2018-12-09 08:10:19,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1362 transitions. [2018-12-09 08:10:19,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-09 08:10:19,813 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:19,852 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:10:20,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:20,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1136 states and 1381 transitions. [2018-12-09 08:10:20,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1381 transitions. [2018-12-09 08:10:20,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-09 08:10:20,714 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:20,768 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 96 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-12-09 08:10:21,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:21,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 1154 states and 1401 transitions. [2018-12-09 08:10:21,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1401 transitions. [2018-12-09 08:10:21,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-09 08:10:21,056 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:21,257 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:10:24,012 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2018-12-09 08:10:28,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:28,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1214 states and 1467 transitions. [2018-12-09 08:10:28,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 1467 transitions. [2018-12-09 08:10:28,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-09 08:10:28,729 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:28,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:28,852 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:10:29,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:29,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1230 states and 1483 transitions. [2018-12-09 08:10:29,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1483 transitions. [2018-12-09 08:10:29,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-09 08:10:29,143 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:29,175 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:10:29,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:29,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1234 states and 1488 transitions. [2018-12-09 08:10:29,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 1488 transitions. [2018-12-09 08:10:29,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-09 08:10:29,507 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:29,536 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:10:29,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:29,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1498 states to 1241 states and 1498 transitions. [2018-12-09 08:10:29,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1498 transitions. [2018-12-09 08:10:29,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-09 08:10:29,570 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:29,610 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-09 08:10:29,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:29,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 1244 states and 1504 transitions. [2018-12-09 08:10:29,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 1504 transitions. [2018-12-09 08:10:29,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-09 08:10:29,671 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:29,722 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 08:10:31,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:31,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1548 states to 1282 states and 1548 transitions. [2018-12-09 08:10:31,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1548 transitions. [2018-12-09 08:10:31,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-09 08:10:31,165 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:31,186 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:10:31,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:31,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 1293 states and 1559 transitions. [2018-12-09 08:10:31,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1559 transitions. [2018-12-09 08:10:31,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-09 08:10:31,433 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:31,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:31,454 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:10:31,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:31,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1296 states and 1563 transitions. [2018-12-09 08:10:31,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 1563 transitions. [2018-12-09 08:10:31,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-09 08:10:31,691 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:32,146 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 08:10:34,849 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2018-12-09 08:10:35,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:35,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1611 states to 1345 states and 1611 transitions. [2018-12-09 08:10:35,352 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states and 1611 transitions. [2018-12-09 08:10:35,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-09 08:10:35,353 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:35,415 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 84 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 08:10:36,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:36,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1375 states and 1643 transitions. [2018-12-09 08:10:36,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1375 states and 1643 transitions. [2018-12-09 08:10:36,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-09 08:10:36,305 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:36,377 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 08:10:36,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:36,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1397 states and 1666 transitions. [2018-12-09 08:10:36,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 1666 transitions. [2018-12-09 08:10:36,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-09 08:10:36,605 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:36,665 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 08:10:37,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:37,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1677 states to 1408 states and 1677 transitions. [2018-12-09 08:10:37,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 1677 transitions. [2018-12-09 08:10:37,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-09 08:10:37,009 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:37,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:37,073 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 08:10:37,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:37,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1692 states to 1422 states and 1692 transitions. [2018-12-09 08:10:37,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 1692 transitions. [2018-12-09 08:10:37,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-09 08:10:37,255 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:37,781 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 08:10:38,309 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2018-12-09 08:10:40,793 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2018-12-09 08:10:44,820 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2018-12-09 08:10:46,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:46,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1762 states to 1490 states and 1762 transitions. [2018-12-09 08:10:46,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 1762 transitions. [2018-12-09 08:10:46,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-09 08:10:46,934 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:46,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:47,001 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 08:10:49,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:49,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 1532 states and 1802 transitions. [2018-12-09 08:10:49,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1802 transitions. [2018-12-09 08:10:49,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-09 08:10:49,658 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:49,690 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:10:49,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:49,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1820 states to 1548 states and 1820 transitions. [2018-12-09 08:10:49,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1548 states and 1820 transitions. [2018-12-09 08:10:49,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-09 08:10:49,973 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:49,994 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 08:10:50,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:50,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 1557 states and 1829 transitions. [2018-12-09 08:10:50,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 1829 transitions. [2018-12-09 08:10:50,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-09 08:10:50,030 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:50,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:50,073 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 08:10:50,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:50,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1915 states to 1636 states and 1915 transitions. [2018-12-09 08:10:50,857 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 1915 transitions. [2018-12-09 08:10:50,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-09 08:10:50,859 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:50,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:50,975 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 08:10:52,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:52,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1935 states to 1652 states and 1935 transitions. [2018-12-09 08:10:52,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 1935 transitions. [2018-12-09 08:10:52,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-09 08:10:52,527 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:52,553 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-09 08:10:52,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:52,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 1672 states and 1955 transitions. [2018-12-09 08:10:52,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 1955 transitions. [2018-12-09 08:10:52,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-09 08:10:52,615 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:52,673 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:10:57,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:57,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2010 states to 1720 states and 2010 transitions. [2018-12-09 08:10:57,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1720 states and 2010 transitions. [2018-12-09 08:10:57,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-09 08:10:57,097 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:57,172 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:10:57,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:57,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 1737 states and 2026 transitions. [2018-12-09 08:10:57,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1737 states and 2026 transitions. [2018-12-09 08:10:57,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-09 08:10:57,911 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:57,978 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 08:10:58,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:58,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2034 states to 1746 states and 2034 transitions. [2018-12-09 08:10:58,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 2034 transitions. [2018-12-09 08:10:58,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-09 08:10:58,264 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:58,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:58,291 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 08:10:58,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:10:58,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2086 states to 1796 states and 2086 transitions. [2018-12-09 08:10:58,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1796 states and 2086 transitions. [2018-12-09 08:10:58,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 08:10:58,520 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:10:58,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:10:58,558 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 9 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-09 08:11:00,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:11:00,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2166 states to 1863 states and 2166 transitions. [2018-12-09 08:11:00,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1863 states and 2166 transitions. [2018-12-09 08:11:00,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 08:11:00,655 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:11:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:11:00,693 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 9 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-09 08:11:03,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:11:03,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 1891 states and 2195 transitions. [2018-12-09 08:11:03,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1891 states and 2195 transitions. [2018-12-09 08:11:03,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 08:11:03,396 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:11:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:11:03,438 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 9 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-09 08:11:04,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:11:04,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 1905 states and 2211 transitions. [2018-12-09 08:11:04,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1905 states and 2211 transitions. [2018-12-09 08:11:04,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 08:11:04,305 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:11:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:11:04,342 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 9 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-09 08:11:04,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:11:04,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 1921 states and 2228 transitions. [2018-12-09 08:11:04,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1921 states and 2228 transitions. [2018-12-09 08:11:04,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-09 08:11:04,739 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:11:04,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:11:04,822 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 109 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 08:11:05,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:11:05,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 1937 states and 2244 transitions. [2018-12-09 08:11:05,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1937 states and 2244 transitions. [2018-12-09 08:11:05,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-09 08:11:05,147 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:11:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:11:06,258 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 08:11:08,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:11:08,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2344 states to 2036 states and 2344 transitions. [2018-12-09 08:11:08,872 INFO L276 IsEmpty]: Start isEmpty. Operand 2036 states and 2344 transitions. [2018-12-09 08:11:08,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-09 08:11:08,873 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:11:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:11:09,042 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 08:11:09,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:11:09,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2350 states to 2040 states and 2350 transitions. [2018-12-09 08:11:09,564 INFO L276 IsEmpty]: Start isEmpty. Operand 2040 states and 2350 transitions. [2018-12-09 08:11:09,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-09 08:11:09,565 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:11:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:11:09,626 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 08:11:12,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:11:12,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2423 states to 2114 states and 2423 transitions. [2018-12-09 08:11:12,283 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 2423 transitions. [2018-12-09 08:11:12,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-09 08:11:12,286 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:11:12,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:11:12,321 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-09 08:11:12,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:11:12,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2423 states to 2115 states and 2423 transitions. [2018-12-09 08:11:12,456 INFO L276 IsEmpty]: Start isEmpty. Operand 2115 states and 2423 transitions. [2018-12-09 08:11:12,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-09 08:11:12,457 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:11:12,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:11:12,524 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 116 proven. 5 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 08:11:19,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:11:19,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2506 states to 2192 states and 2506 transitions. [2018-12-09 08:11:19,179 INFO L276 IsEmpty]: Start isEmpty. Operand 2192 states and 2506 transitions. [2018-12-09 08:11:19,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-09 08:11:19,182 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:11:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:11:19,256 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 116 proven. 5 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 08:11:19,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:11:19,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2510 states to 2197 states and 2510 transitions. [2018-12-09 08:11:19,580 INFO L276 IsEmpty]: Start isEmpty. Operand 2197 states and 2510 transitions. [2018-12-09 08:11:19,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-09 08:11:19,581 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:11:19,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:11:19,605 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-12-09 08:11:20,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:11:20,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2540 states to 2223 states and 2540 transitions. [2018-12-09 08:11:20,444 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states and 2540 transitions. [2018-12-09 08:11:20,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-12-09 08:11:20,445 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:11:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:11:20,593 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 08:11:23,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:11:23,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2575 states to 2254 states and 2575 transitions. [2018-12-09 08:11:23,932 INFO L276 IsEmpty]: Start isEmpty. Operand 2254 states and 2575 transitions. [2018-12-09 08:11:23,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-12-09 08:11:23,936 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:11:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:11:23,973 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 08:11:24,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:11:24,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2577 states to 2257 states and 2577 transitions. [2018-12-09 08:11:24,330 INFO L276 IsEmpty]: Start isEmpty. Operand 2257 states and 2577 transitions. [2018-12-09 08:11:24,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-09 08:11:24,331 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:11:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:11:25,213 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 08:11:27,003 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-09 08:11:30,001 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-09 08:11:30,436 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-12-09 08:11:31,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:11:31,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 2349 states and 2672 transitions. [2018-12-09 08:11:31,970 INFO L276 IsEmpty]: Start isEmpty. Operand 2349 states and 2672 transitions. [2018-12-09 08:11:31,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-09 08:11:31,971 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:11:31,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:11:31,998 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 08:11:33,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:11:33,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2684 states to 2361 states and 2684 transitions. [2018-12-09 08:11:33,042 INFO L276 IsEmpty]: Start isEmpty. Operand 2361 states and 2684 transitions. [2018-12-09 08:11:33,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-09 08:11:33,045 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:11:33,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:11:35,215 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 08:11:40,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:11:40,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 2410 states and 2737 transitions. [2018-12-09 08:11:40,464 INFO L276 IsEmpty]: Start isEmpty. Operand 2410 states and 2737 transitions. [2018-12-09 08:11:40,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-09 08:11:40,465 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:11:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:11:40,556 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 08:11:42,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:11:42,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2436 states and 2763 transitions. [2018-12-09 08:11:42,276 INFO L276 IsEmpty]: Start isEmpty. Operand 2436 states and 2763 transitions. [2018-12-09 08:11:42,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-09 08:11:42,277 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:11:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:11:42,381 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 08:11:46,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:11:46,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2789 states to 2461 states and 2789 transitions. [2018-12-09 08:11:46,307 INFO L276 IsEmpty]: Start isEmpty. Operand 2461 states and 2789 transitions. [2018-12-09 08:11:46,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-09 08:11:46,309 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:11:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:11:46,418 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 08:11:46,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:11:46,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 2487 states and 2814 transitions. [2018-12-09 08:11:46,924 INFO L276 IsEmpty]: Start isEmpty. Operand 2487 states and 2814 transitions. [2018-12-09 08:11:46,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-09 08:11:46,926 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:11:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:11:47,019 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 08:11:48,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:11:48,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2818 states to 2492 states and 2818 transitions. [2018-12-09 08:11:48,136 INFO L276 IsEmpty]: Start isEmpty. Operand 2492 states and 2818 transitions. [2018-12-09 08:11:48,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-09 08:11:48,137 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:11:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:11:48,229 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 08:11:49,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:11:49,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2823 states to 2497 states and 2823 transitions. [2018-12-09 08:11:49,186 INFO L276 IsEmpty]: Start isEmpty. Operand 2497 states and 2823 transitions. [2018-12-09 08:11:49,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-09 08:11:49,187 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:11:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:11:49,279 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 08:11:49,572 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 22 [2018-12-09 08:11:49,965 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2018-12-09 08:11:55,924 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2018-12-09 08:12:03,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:12:03,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2882 states to 2557 states and 2882 transitions. [2018-12-09 08:12:03,131 INFO L276 IsEmpty]: Start isEmpty. Operand 2557 states and 2882 transitions. [2018-12-09 08:12:03,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-12-09 08:12:03,134 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:12:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:12:03,167 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-09 08:12:03,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:12:03,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2888 states to 2561 states and 2888 transitions. [2018-12-09 08:12:03,522 INFO L276 IsEmpty]: Start isEmpty. Operand 2561 states and 2888 transitions. [2018-12-09 08:12:03,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-12-09 08:12:03,523 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:12:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:12:03,564 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 170 proven. 3 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-09 08:12:03,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:12:03,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 2581 states and 2909 transitions. [2018-12-09 08:12:03,645 INFO L276 IsEmpty]: Start isEmpty. Operand 2581 states and 2909 transitions. [2018-12-09 08:12:03,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-09 08:12:03,646 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:12:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:12:04,660 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 235 proven. 28 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 08:12:06,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:12:06,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2934 states to 2598 states and 2934 transitions. [2018-12-09 08:12:06,974 INFO L276 IsEmpty]: Start isEmpty. Operand 2598 states and 2934 transitions. [2018-12-09 08:12:06,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-09 08:12:06,975 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:12:06,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:12:07,095 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 235 proven. 28 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 08:12:07,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:12:07,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2936 states to 2601 states and 2936 transitions. [2018-12-09 08:12:07,459 INFO L276 IsEmpty]: Start isEmpty. Operand 2601 states and 2936 transitions. [2018-12-09 08:12:07,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-12-09 08:12:07,460 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:12:07,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:12:07,515 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 195 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-09 08:12:07,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:12:07,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2950 states to 2613 states and 2950 transitions. [2018-12-09 08:12:07,750 INFO L276 IsEmpty]: Start isEmpty. Operand 2613 states and 2950 transitions. [2018-12-09 08:12:07,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-12-09 08:12:07,752 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:12:07,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:12:07,809 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 195 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-09 08:12:08,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:12:08,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2967 states to 2629 states and 2967 transitions. [2018-12-09 08:12:08,626 INFO L276 IsEmpty]: Start isEmpty. Operand 2629 states and 2967 transitions. [2018-12-09 08:12:08,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-12-09 08:12:08,627 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:12:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:12:08,681 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 195 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-09 08:12:09,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:12:09,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2983 states to 2645 states and 2983 transitions. [2018-12-09 08:12:09,037 INFO L276 IsEmpty]: Start isEmpty. Operand 2645 states and 2983 transitions. [2018-12-09 08:12:09,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-12-09 08:12:09,039 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:12:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:12:09,110 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 195 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-09 08:12:09,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:12:09,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2997 states to 2659 states and 2997 transitions. [2018-12-09 08:12:09,792 INFO L276 IsEmpty]: Start isEmpty. Operand 2659 states and 2997 transitions. [2018-12-09 08:12:09,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-12-09 08:12:09,793 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:12:09,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:12:09,831 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 180 proven. 15 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-09 08:12:12,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:12:12,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3005 states to 2667 states and 3005 transitions. [2018-12-09 08:12:12,206 INFO L276 IsEmpty]: Start isEmpty. Operand 2667 states and 3005 transitions. [2018-12-09 08:12:12,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-12-09 08:12:12,208 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:12:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:12:12,254 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 08:12:12,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:12:12,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3005 states to 2668 states and 3005 transitions. [2018-12-09 08:12:12,444 INFO L276 IsEmpty]: Start isEmpty. Operand 2668 states and 3005 transitions. [2018-12-09 08:12:12,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-12-09 08:12:12,445 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:12:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:12:12,477 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-09 08:12:13,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:12:13,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3035 states to 2696 states and 3035 transitions. [2018-12-09 08:12:13,975 INFO L276 IsEmpty]: Start isEmpty. Operand 2696 states and 3035 transitions. [2018-12-09 08:12:13,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-12-09 08:12:13,977 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:12:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:12:14,014 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-09 08:12:14,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:12:14,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3050 states to 2712 states and 3050 transitions. [2018-12-09 08:12:14,384 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 3050 transitions. [2018-12-09 08:12:14,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-12-09 08:12:14,385 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:12:14,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:12:14,417 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-09 08:12:15,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:12:15,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3054 states to 2716 states and 3054 transitions. [2018-12-09 08:12:15,226 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3054 transitions. [2018-12-09 08:12:15,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-12-09 08:12:15,227 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:12:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:12:15,259 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-09 08:12:15,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:12:15,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3067 states to 2730 states and 3067 transitions. [2018-12-09 08:12:15,618 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 3067 transitions. [2018-12-09 08:12:15,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-12-09 08:12:15,619 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:12:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:12:15,749 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 249 proven. 42 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 08:12:16,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:12:16,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3079 states to 2737 states and 3079 transitions. [2018-12-09 08:12:16,203 INFO L276 IsEmpty]: Start isEmpty. Operand 2737 states and 3079 transitions. [2018-12-09 08:12:16,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-12-09 08:12:16,204 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:12:16,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:12:16,243 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-09 08:12:16,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:12:16,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3081 states to 2739 states and 3081 transitions. [2018-12-09 08:12:16,592 INFO L276 IsEmpty]: Start isEmpty. Operand 2739 states and 3081 transitions. [2018-12-09 08:12:16,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-12-09 08:12:16,593 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:12:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:12:16,642 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2018-12-09 08:12:17,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:12:17,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3087 states to 2741 states and 3087 transitions. [2018-12-09 08:12:17,262 INFO L276 IsEmpty]: Start isEmpty. Operand 2741 states and 3087 transitions. [2018-12-09 08:12:17,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-09 08:12:17,263 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:12:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:12:17,344 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 154 proven. 5 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 08:12:18,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:12:18,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3101 states to 2755 states and 3101 transitions. [2018-12-09 08:12:18,437 INFO L276 IsEmpty]: Start isEmpty. Operand 2755 states and 3101 transitions. [2018-12-09 08:12:18,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-12-09 08:12:18,439 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:12:18,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:12:18,489 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-12-09 08:12:18,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:12:18,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3101 states to 2756 states and 3101 transitions. [2018-12-09 08:12:18,728 INFO L276 IsEmpty]: Start isEmpty. Operand 2756 states and 3101 transitions. [2018-12-09 08:12:18,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-12-09 08:12:18,729 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:12:18,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:12:18,817 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 160 proven. 10 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-12-09 08:12:20,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:12:20,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3129 states to 2779 states and 3129 transitions. [2018-12-09 08:12:20,165 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 3129 transitions. [2018-12-09 08:12:20,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-12-09 08:12:20,167 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:12:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:12:20,269 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 160 proven. 10 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-12-09 08:12:22,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:12:22,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3133 states to 2785 states and 3133 transitions. [2018-12-09 08:12:22,326 INFO L276 IsEmpty]: Start isEmpty. Operand 2785 states and 3133 transitions. [2018-12-09 08:12:22,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-12-09 08:12:22,328 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:12:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:12:22,426 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 160 proven. 10 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-12-09 08:12:23,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:12:23,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 2792 states and 3140 transitions. [2018-12-09 08:12:23,812 INFO L276 IsEmpty]: Start isEmpty. Operand 2792 states and 3140 transitions. [2018-12-09 08:12:23,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-12-09 08:12:23,815 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:12:23,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:12:23,903 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 160 proven. 10 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-12-09 08:12:24,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:12:24,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3149 states to 2801 states and 3149 transitions. [2018-12-09 08:12:24,375 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 3149 transitions. [2018-12-09 08:12:24,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-12-09 08:12:24,377 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:12:24,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:12:24,477 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 160 proven. 10 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-12-09 08:12:24,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:12:24,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3155 states to 2808 states and 3155 transitions. [2018-12-09 08:12:24,950 INFO L276 IsEmpty]: Start isEmpty. Operand 2808 states and 3155 transitions. [2018-12-09 08:12:24,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-12-09 08:12:24,951 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:12:24,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:12:25,006 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 199 proven. 8 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 08:12:27,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:12:27,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3169 states to 2816 states and 3169 transitions. [2018-12-09 08:12:27,938 INFO L276 IsEmpty]: Start isEmpty. Operand 2816 states and 3169 transitions. [2018-12-09 08:12:27,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-09 08:12:27,939 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:12:27,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:12:28,025 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 168 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-12-09 08:12:28,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:12:28,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3177 states to 2821 states and 3177 transitions. [2018-12-09 08:12:28,721 INFO L276 IsEmpty]: Start isEmpty. Operand 2821 states and 3177 transitions. [2018-12-09 08:12:28,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-09 08:12:28,723 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:12:28,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:12:29,289 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 08:12:30,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:12:30,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3257 states to 2899 states and 3257 transitions. [2018-12-09 08:12:30,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2899 states and 3257 transitions. [2018-12-09 08:12:30,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-12-09 08:12:30,392 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:12:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:12:31,074 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 391 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-12-09 08:12:34,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:12:34,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3265 states to 2906 states and 3265 transitions. [2018-12-09 08:12:34,201 INFO L276 IsEmpty]: Start isEmpty. Operand 2906 states and 3265 transitions. [2018-12-09 08:12:34,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-12-09 08:12:34,203 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:12:34,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:12:35,016 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 430 proven. 63 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-09 08:12:38,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:12:38,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3319 states to 2951 states and 3319 transitions. [2018-12-09 08:12:38,363 INFO L276 IsEmpty]: Start isEmpty. Operand 2951 states and 3319 transitions. [2018-12-09 08:12:38,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-09 08:12:38,365 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:12:38,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:12:41,724 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 423 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-09 08:12:45,998 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-09 08:12:47,543 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-09 08:12:48,612 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-09 08:12:50,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:12:50,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3363 states to 2992 states and 3363 transitions. [2018-12-09 08:12:50,271 INFO L276 IsEmpty]: Start isEmpty. Operand 2992 states and 3363 transitions. [2018-12-09 08:12:50,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-09 08:12:50,273 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:12:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:12:50,463 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 423 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-09 08:12:53,795 WARN L180 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2018-12-09 08:12:55,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:12:55,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3372 states to 3002 states and 3372 transitions. [2018-12-09 08:12:55,135 INFO L276 IsEmpty]: Start isEmpty. Operand 3002 states and 3372 transitions. [2018-12-09 08:12:55,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-09 08:12:55,137 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:12:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:12:55,198 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2018-12-09 08:12:56,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:12:56,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3403 states to 3029 states and 3403 transitions. [2018-12-09 08:12:56,177 INFO L276 IsEmpty]: Start isEmpty. Operand 3029 states and 3403 transitions. [2018-12-09 08:12:56,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2018-12-09 08:12:56,179 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:12:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:12:56,242 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 479 proven. 4 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2018-12-09 08:12:56,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:12:56,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3427 states to 3053 states and 3427 transitions. [2018-12-09 08:12:56,471 INFO L276 IsEmpty]: Start isEmpty. Operand 3053 states and 3427 transitions. [2018-12-09 08:12:56,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-09 08:12:56,472 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:12:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:12:56,561 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 27 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2018-12-09 08:12:57,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:12:57,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3446 states to 3071 states and 3446 transitions. [2018-12-09 08:12:57,574 INFO L276 IsEmpty]: Start isEmpty. Operand 3071 states and 3446 transitions. [2018-12-09 08:12:57,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-09 08:12:57,575 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:12:57,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:12:57,665 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 27 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2018-12-09 08:13:02,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:13:02,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3526 states to 3143 states and 3526 transitions. [2018-12-09 08:13:02,324 INFO L276 IsEmpty]: Start isEmpty. Operand 3143 states and 3526 transitions. [2018-12-09 08:13:02,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-09 08:13:02,326 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:13:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:13:02,425 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 27 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2018-12-09 08:13:02,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:13:02,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3528 states to 3146 states and 3528 transitions. [2018-12-09 08:13:02,931 INFO L276 IsEmpty]: Start isEmpty. Operand 3146 states and 3528 transitions. [2018-12-09 08:13:02,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-09 08:13:02,932 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:13:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:13:03,021 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 27 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2018-12-09 08:13:03,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:13:03,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3547 states to 3165 states and 3547 transitions. [2018-12-09 08:13:03,914 INFO L276 IsEmpty]: Start isEmpty. Operand 3165 states and 3547 transitions. [2018-12-09 08:13:03,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-09 08:13:03,916 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:13:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:13:04,026 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 27 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2018-12-09 08:13:04,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:13:04,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3181 states and 3565 transitions. [2018-12-09 08:13:04,990 INFO L276 IsEmpty]: Start isEmpty. Operand 3181 states and 3565 transitions. [2018-12-09 08:13:04,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-09 08:13:04,992 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:13:05,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:13:05,083 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 27 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2018-12-09 08:13:05,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:13:05,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3580 states to 3195 states and 3580 transitions. [2018-12-09 08:13:05,637 INFO L276 IsEmpty]: Start isEmpty. Operand 3195 states and 3580 transitions. [2018-12-09 08:13:05,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2018-12-09 08:13:05,639 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:13:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:13:05,699 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 390 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2018-12-09 08:13:06,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:13:06,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3600 states to 3215 states and 3600 transitions. [2018-12-09 08:13:06,360 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 3600 transitions. [2018-12-09 08:13:06,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-09 08:13:06,362 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:13:06,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:13:06,466 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 506 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-12-09 08:13:06,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:13:06,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3602 states to 3216 states and 3602 transitions. [2018-12-09 08:13:06,827 INFO L276 IsEmpty]: Start isEmpty. Operand 3216 states and 3602 transitions. [2018-12-09 08:13:06,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-09 08:13:06,829 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:13:06,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:13:06,965 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 396 proven. 15 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2018-12-09 08:13:08,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:13:08,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3637 states to 3246 states and 3637 transitions. [2018-12-09 08:13:08,335 INFO L276 IsEmpty]: Start isEmpty. Operand 3246 states and 3637 transitions. [2018-12-09 08:13:08,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-12-09 08:13:08,337 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:13:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:13:08,493 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 409 proven. 15 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2018-12-09 08:13:08,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:13:08,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3642 states to 3250 states and 3642 transitions. [2018-12-09 08:13:08,610 INFO L276 IsEmpty]: Start isEmpty. Operand 3250 states and 3642 transitions. [2018-12-09 08:13:08,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2018-12-09 08:13:08,612 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:13:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:13:09,137 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 626 proven. 4 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-09 08:13:10,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:13:10,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3647 states to 3254 states and 3647 transitions. [2018-12-09 08:13:10,531 INFO L276 IsEmpty]: Start isEmpty. Operand 3254 states and 3647 transitions. [2018-12-09 08:13:10,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2018-12-09 08:13:10,533 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:13:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:13:11,393 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 558 proven. 4 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2018-12-09 08:13:13,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:13:13,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3662 states to 3264 states and 3662 transitions. [2018-12-09 08:13:13,685 INFO L276 IsEmpty]: Start isEmpty. Operand 3264 states and 3662 transitions. [2018-12-09 08:13:13,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2018-12-09 08:13:13,687 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:13:13,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:13:13,770 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 420 proven. 6 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2018-12-09 08:13:13,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:13:13,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3680 states to 3283 states and 3680 transitions. [2018-12-09 08:13:13,886 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 3680 transitions. [2018-12-09 08:13:13,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2018-12-09 08:13:13,888 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:13:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:13:13,971 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 420 proven. 6 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2018-12-09 08:13:14,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:13:14,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3680 states to 3284 states and 3680 transitions. [2018-12-09 08:13:14,329 INFO L276 IsEmpty]: Start isEmpty. Operand 3284 states and 3680 transitions. [2018-12-09 08:13:14,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-12-09 08:13:14,331 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:13:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:13:14,460 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2018-12-09 08:13:18,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:13:18,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3713 states to 3310 states and 3713 transitions. [2018-12-09 08:13:18,036 INFO L276 IsEmpty]: Start isEmpty. Operand 3310 states and 3713 transitions. [2018-12-09 08:13:18,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-12-09 08:13:18,038 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:13:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:13:18,164 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2018-12-09 08:13:27,637 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2018-12-09 08:13:31,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:13:31,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3790 states to 3374 states and 3790 transitions. [2018-12-09 08:13:31,497 INFO L276 IsEmpty]: Start isEmpty. Operand 3374 states and 3790 transitions. [2018-12-09 08:13:31,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-12-09 08:13:31,498 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:13:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:13:31,595 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2018-12-09 08:13:33,269 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2018-12-09 08:13:39,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:13:39,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3822 states to 3402 states and 3822 transitions. [2018-12-09 08:13:39,854 INFO L276 IsEmpty]: Start isEmpty. Operand 3402 states and 3822 transitions. [2018-12-09 08:13:39,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-12-09 08:13:39,856 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:13:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:13:39,952 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2018-12-09 08:13:41,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:13:41,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3832 states to 3412 states and 3832 transitions. [2018-12-09 08:13:41,418 INFO L276 IsEmpty]: Start isEmpty. Operand 3412 states and 3832 transitions. [2018-12-09 08:13:41,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-12-09 08:13:41,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:13:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:13:41,550 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2018-12-09 08:13:43,704 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2018-12-09 08:13:48,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:13:48,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3856 states to 3433 states and 3856 transitions. [2018-12-09 08:13:48,096 INFO L276 IsEmpty]: Start isEmpty. Operand 3433 states and 3856 transitions. [2018-12-09 08:13:48,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-12-09 08:13:48,098 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:13:48,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:13:48,194 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2018-12-09 08:13:49,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:13:49,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3882 states to 3456 states and 3882 transitions. [2018-12-09 08:13:49,234 INFO L276 IsEmpty]: Start isEmpty. Operand 3456 states and 3882 transitions. [2018-12-09 08:13:49,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-12-09 08:13:49,266 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:13:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:13:49,362 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2018-12-09 08:13:49,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:13:49,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3899 states to 3472 states and 3899 transitions. [2018-12-09 08:13:49,991 INFO L276 IsEmpty]: Start isEmpty. Operand 3472 states and 3899 transitions. [2018-12-09 08:13:49,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-12-09 08:13:49,992 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:13:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:13:50,089 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2018-12-09 08:13:50,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:13:50,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3924 states to 3493 states and 3924 transitions. [2018-12-09 08:13:50,894 INFO L276 IsEmpty]: Start isEmpty. Operand 3493 states and 3924 transitions. [2018-12-09 08:13:50,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-12-09 08:13:50,897 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:13:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:13:51,026 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2018-12-09 08:13:53,042 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2018-12-09 08:13:55,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:13:55,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3940 states to 3507 states and 3940 transitions. [2018-12-09 08:13:55,337 INFO L276 IsEmpty]: Start isEmpty. Operand 3507 states and 3940 transitions. [2018-12-09 08:13:55,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-12-09 08:13:55,338 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:13:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:13:55,467 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2018-12-09 08:13:58,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:13:58,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3962 states to 3524 states and 3962 transitions. [2018-12-09 08:13:58,581 INFO L276 IsEmpty]: Start isEmpty. Operand 3524 states and 3962 transitions. [2018-12-09 08:13:58,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-12-09 08:13:58,583 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:13:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:13:58,710 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2018-12-09 08:13:59,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:13:59,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3984 states to 3545 states and 3984 transitions. [2018-12-09 08:13:59,559 INFO L276 IsEmpty]: Start isEmpty. Operand 3545 states and 3984 transitions. [2018-12-09 08:13:59,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-12-09 08:13:59,561 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:13:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:13:59,658 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2018-12-09 08:14:00,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:14:00,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3999 states to 3559 states and 3999 transitions. [2018-12-09 08:14:00,952 INFO L276 IsEmpty]: Start isEmpty. Operand 3559 states and 3999 transitions. [2018-12-09 08:14:00,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2018-12-09 08:14:00,954 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:14:00,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:14:01,032 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 565 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-12-09 08:14:09,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:14:09,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4068 states to 3613 states and 4068 transitions. [2018-12-09 08:14:09,539 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 4068 transitions. [2018-12-09 08:14:09,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2018-12-09 08:14:09,541 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:14:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:14:09,620 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 565 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-12-09 08:14:12,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:14:12,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4101 states to 3640 states and 4101 transitions. [2018-12-09 08:14:12,233 INFO L276 IsEmpty]: Start isEmpty. Operand 3640 states and 4101 transitions. [2018-12-09 08:14:12,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2018-12-09 08:14:12,235 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:14:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:14:12,315 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 565 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-12-09 08:14:13,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:14:13,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4110 states to 3648 states and 4110 transitions. [2018-12-09 08:14:13,554 INFO L276 IsEmpty]: Start isEmpty. Operand 3648 states and 4110 transitions. [2018-12-09 08:14:13,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2018-12-09 08:14:13,557 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:14:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:14:13,634 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 565 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-12-09 08:14:14,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:14:14,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4114 states to 3653 states and 4114 transitions. [2018-12-09 08:14:14,111 INFO L276 IsEmpty]: Start isEmpty. Operand 3653 states and 4114 transitions. [2018-12-09 08:14:14,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2018-12-09 08:14:14,113 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:14:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:14:14,191 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 565 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-12-09 08:14:15,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:14:15,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4132 states to 3673 states and 4132 transitions. [2018-12-09 08:14:15,417 INFO L276 IsEmpty]: Start isEmpty. Operand 3673 states and 4132 transitions. [2018-12-09 08:14:15,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2018-12-09 08:14:15,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:14:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:14:15,854 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 594 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2018-12-09 08:14:17,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:14:17,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4160 states to 3698 states and 4160 transitions. [2018-12-09 08:14:17,646 INFO L276 IsEmpty]: Start isEmpty. Operand 3698 states and 4160 transitions. [2018-12-09 08:14:17,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2018-12-09 08:14:17,648 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:14:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:14:17,800 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 594 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2018-12-09 08:14:19,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:14:19,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4183 states to 3721 states and 4183 transitions. [2018-12-09 08:14:19,061 INFO L276 IsEmpty]: Start isEmpty. Operand 3721 states and 4183 transitions. [2018-12-09 08:14:19,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2018-12-09 08:14:19,063 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:14:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:14:19,703 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 559 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-09 08:14:21,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:14:21,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4198 states to 3733 states and 4198 transitions. [2018-12-09 08:14:21,213 INFO L276 IsEmpty]: Start isEmpty. Operand 3733 states and 4198 transitions. [2018-12-09 08:14:21,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2018-12-09 08:14:21,215 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:14:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:14:21,777 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 526 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2018-12-09 08:14:24,349 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2018-12-09 08:14:25,672 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2018-12-09 08:14:28,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:14:28,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4278 states to 3811 states and 4278 transitions. [2018-12-09 08:14:28,054 INFO L276 IsEmpty]: Start isEmpty. Operand 3811 states and 4278 transitions. [2018-12-09 08:14:28,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2018-12-09 08:14:28,056 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:14:28,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:14:28,161 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 552 proven. 8 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-09 08:14:29,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:14:29,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4304 states to 3835 states and 4304 transitions. [2018-12-09 08:14:29,513 INFO L276 IsEmpty]: Start isEmpty. Operand 3835 states and 4304 transitions. [2018-12-09 08:14:29,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2018-12-09 08:14:29,515 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:14:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:14:29,617 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 552 proven. 8 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-09 08:14:30,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:14:30,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4320 states to 3851 states and 4320 transitions. [2018-12-09 08:14:30,179 INFO L276 IsEmpty]: Start isEmpty. Operand 3851 states and 4320 transitions. [2018-12-09 08:14:30,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2018-12-09 08:14:30,181 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:14:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:14:30,284 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 552 proven. 8 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-09 08:14:31,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:14:31,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4334 states to 3865 states and 4334 transitions. [2018-12-09 08:14:31,049 INFO L276 IsEmpty]: Start isEmpty. Operand 3865 states and 4334 transitions. [2018-12-09 08:14:31,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-12-09 08:14:31,051 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:14:31,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:14:31,203 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 688 trivial. 0 not checked. [2018-12-09 08:14:31,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:14:31,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4334 states to 3866 states and 4334 transitions. [2018-12-09 08:14:31,701 INFO L276 IsEmpty]: Start isEmpty. Operand 3866 states and 4334 transitions. [2018-12-09 08:14:31,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2018-12-09 08:14:31,703 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:14:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:14:31,905 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 577 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2018-12-09 08:14:34,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:14:34,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4351 states to 3884 states and 4351 transitions. [2018-12-09 08:14:34,040 INFO L276 IsEmpty]: Start isEmpty. Operand 3884 states and 4351 transitions. [2018-12-09 08:14:34,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2018-12-09 08:14:34,042 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:14:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:14:34,175 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 639 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2018-12-09 08:14:34,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:14:34,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4352 states to 3886 states and 4352 transitions. [2018-12-09 08:14:34,427 INFO L276 IsEmpty]: Start isEmpty. Operand 3886 states and 4352 transitions. [2018-12-09 08:14:34,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2018-12-09 08:14:34,430 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:14:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:14:34,610 INFO L134 CoverageAnalysis]: Checked inductivity of 954 backedges. 718 proven. 4 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2018-12-09 08:14:36,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:14:36,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4402 states to 3933 states and 4402 transitions. [2018-12-09 08:14:36,205 INFO L276 IsEmpty]: Start isEmpty. Operand 3933 states and 4402 transitions. [2018-12-09 08:14:36,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2018-12-09 08:14:36,208 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:14:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:14:36,393 INFO L134 CoverageAnalysis]: Checked inductivity of 954 backedges. 718 proven. 4 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2018-12-09 08:14:37,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:14:37,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4419 states to 3949 states and 4419 transitions. [2018-12-09 08:14:37,537 INFO L276 IsEmpty]: Start isEmpty. Operand 3949 states and 4419 transitions. [2018-12-09 08:14:37,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2018-12-09 08:14:37,540 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:14:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:14:37,658 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2018-12-09 08:14:42,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:14:42,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4451 states to 3976 states and 4451 transitions. [2018-12-09 08:14:42,581 INFO L276 IsEmpty]: Start isEmpty. Operand 3976 states and 4451 transitions. [2018-12-09 08:14:42,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2018-12-09 08:14:42,583 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:14:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:14:42,744 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2018-12-09 08:14:44,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:14:44,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4476 states to 3999 states and 4476 transitions. [2018-12-09 08:14:44,398 INFO L276 IsEmpty]: Start isEmpty. Operand 3999 states and 4476 transitions. [2018-12-09 08:14:44,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2018-12-09 08:14:44,400 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:14:44,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:14:44,517 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2018-12-09 08:14:45,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:14:45,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4481 states to 4004 states and 4481 transitions. [2018-12-09 08:14:45,139 INFO L276 IsEmpty]: Start isEmpty. Operand 4004 states and 4481 transitions. [2018-12-09 08:14:45,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2018-12-09 08:14:45,141 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:14:45,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:14:45,313 INFO L134 CoverageAnalysis]: Checked inductivity of 934 backedges. 130 proven. 36 refuted. 0 times theorem prover too weak. 768 trivial. 0 not checked. [2018-12-09 08:14:53,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:14:53,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4538 states to 4052 states and 4538 transitions. [2018-12-09 08:14:53,991 INFO L276 IsEmpty]: Start isEmpty. Operand 4052 states and 4538 transitions. [2018-12-09 08:14:53,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2018-12-09 08:14:53,993 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:14:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:14:54,115 INFO L134 CoverageAnalysis]: Checked inductivity of 934 backedges. 130 proven. 36 refuted. 0 times theorem prover too weak. 768 trivial. 0 not checked. [2018-12-09 08:14:58,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:14:58,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4547 states to 4062 states and 4547 transitions. [2018-12-09 08:14:58,326 INFO L276 IsEmpty]: Start isEmpty. Operand 4062 states and 4547 transitions. [2018-12-09 08:14:58,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2018-12-09 08:14:58,328 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:14:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:14:58,451 INFO L134 CoverageAnalysis]: Checked inductivity of 934 backedges. 130 proven. 36 refuted. 0 times theorem prover too weak. 768 trivial. 0 not checked. [2018-12-09 08:15:03,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:15:03,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4576 states to 4091 states and 4576 transitions. [2018-12-09 08:15:03,415 INFO L276 IsEmpty]: Start isEmpty. Operand 4091 states and 4576 transitions. [2018-12-09 08:15:03,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2018-12-09 08:15:03,417 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:15:03,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:15:03,540 INFO L134 CoverageAnalysis]: Checked inductivity of 934 backedges. 130 proven. 36 refuted. 0 times theorem prover too weak. 768 trivial. 0 not checked. [2018-12-09 08:15:05,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:15:05,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4608 states to 4119 states and 4608 transitions. [2018-12-09 08:15:05,321 INFO L276 IsEmpty]: Start isEmpty. Operand 4119 states and 4608 transitions. [2018-12-09 08:15:05,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2018-12-09 08:15:05,323 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:15:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:15:05,448 INFO L134 CoverageAnalysis]: Checked inductivity of 934 backedges. 130 proven. 36 refuted. 0 times theorem prover too weak. 768 trivial. 0 not checked. [2018-12-09 08:15:08,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:15:08,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4623 states to 4135 states and 4623 transitions. [2018-12-09 08:15:08,150 INFO L276 IsEmpty]: Start isEmpty. Operand 4135 states and 4623 transitions. [2018-12-09 08:15:08,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2018-12-09 08:15:08,153 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:15:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:15:08,279 INFO L134 CoverageAnalysis]: Checked inductivity of 934 backedges. 130 proven. 36 refuted. 0 times theorem prover too weak. 768 trivial. 0 not checked. [2018-12-09 08:15:10,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:15:10,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4630 states to 4142 states and 4630 transitions. [2018-12-09 08:15:10,494 INFO L276 IsEmpty]: Start isEmpty. Operand 4142 states and 4630 transitions. [2018-12-09 08:15:10,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2018-12-09 08:15:10,497 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:15:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:15:10,624 INFO L134 CoverageAnalysis]: Checked inductivity of 934 backedges. 130 proven. 36 refuted. 0 times theorem prover too weak. 768 trivial. 0 not checked. [2018-12-09 08:15:12,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:15:12,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4654 states to 4165 states and 4654 transitions. [2018-12-09 08:15:12,840 INFO L276 IsEmpty]: Start isEmpty. Operand 4165 states and 4654 transitions. [2018-12-09 08:15:12,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2018-12-09 08:15:12,843 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:15:12,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:15:12,967 INFO L134 CoverageAnalysis]: Checked inductivity of 934 backedges. 130 proven. 36 refuted. 0 times theorem prover too weak. 768 trivial. 0 not checked. [2018-12-09 08:15:13,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:15:13,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4661 states to 4172 states and 4661 transitions. [2018-12-09 08:15:13,729 INFO L276 IsEmpty]: Start isEmpty. Operand 4172 states and 4661 transitions. [2018-12-09 08:15:13,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2018-12-09 08:15:13,732 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:15:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:15:13,853 INFO L134 CoverageAnalysis]: Checked inductivity of 934 backedges. 130 proven. 36 refuted. 0 times theorem prover too weak. 768 trivial. 0 not checked. [2018-12-09 08:15:15,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:15:15,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4668 states to 4179 states and 4668 transitions. [2018-12-09 08:15:15,510 INFO L276 IsEmpty]: Start isEmpty. Operand 4179 states and 4668 transitions. [2018-12-09 08:15:15,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2018-12-09 08:15:15,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:15:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:15:15,624 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 683 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2018-12-09 08:15:19,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:15:19,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4693 states to 4204 states and 4693 transitions. [2018-12-09 08:15:19,413 INFO L276 IsEmpty]: Start isEmpty. Operand 4204 states and 4693 transitions. [2018-12-09 08:15:19,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2018-12-09 08:15:19,417 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:15:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:15:19,525 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 683 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2018-12-09 08:15:20,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:15:20,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4708 states to 4220 states and 4708 transitions. [2018-12-09 08:15:20,246 INFO L276 IsEmpty]: Start isEmpty. Operand 4220 states and 4708 transitions. [2018-12-09 08:15:20,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2018-12-09 08:15:20,248 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:15:20,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:15:20,356 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 683 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2018-12-09 08:15:21,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:15:21,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4721 states to 4234 states and 4721 transitions. [2018-12-09 08:15:21,201 INFO L276 IsEmpty]: Start isEmpty. Operand 4234 states and 4721 transitions. [2018-12-09 08:15:21,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2018-12-09 08:15:21,204 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:15:21,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:15:21,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 751 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2018-12-09 08:15:27,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:15:27,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4800 states to 4312 states and 4800 transitions. [2018-12-09 08:15:27,535 INFO L276 IsEmpty]: Start isEmpty. Operand 4312 states and 4800 transitions. [2018-12-09 08:15:27,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2018-12-09 08:15:27,539 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:15:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:15:27,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 729 proven. 4 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2018-12-09 08:15:29,495 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-09 08:15:33,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:15:33,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4817 states to 4327 states and 4817 transitions. [2018-12-09 08:15:33,449 INFO L276 IsEmpty]: Start isEmpty. Operand 4327 states and 4817 transitions. [2018-12-09 08:15:33,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2018-12-09 08:15:33,452 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:15:33,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:15:33,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 729 proven. 4 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2018-12-09 08:15:33,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:15:33,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4823 states to 4334 states and 4823 transitions. [2018-12-09 08:15:33,852 INFO L276 IsEmpty]: Start isEmpty. Operand 4334 states and 4823 transitions. [2018-12-09 08:15:33,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-09 08:15:33,854 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:15:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:15:35,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 149 proven. 604 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2018-12-09 08:15:40,376 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-09 08:16:00,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:16:00,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4985 states to 4474 states and 4985 transitions. [2018-12-09 08:16:00,997 INFO L276 IsEmpty]: Start isEmpty. Operand 4474 states and 4985 transitions. [2018-12-09 08:16:01,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-09 08:16:01,004 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:16:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:16:01,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 149 proven. 604 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2018-12-09 08:16:06,854 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-09 08:16:10,191 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-09 08:16:18,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:16:18,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4935 states to 4423 states and 4935 transitions. [2018-12-09 08:16:18,626 INFO L276 IsEmpty]: Start isEmpty. Operand 4423 states and 4935 transitions. [2018-12-09 08:16:18,628 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 08:16:18,628 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 201 iterations. [2018-12-09 08:16:18,634 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 08:16:18,824 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 44 [2018-12-09 08:16:18,940 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 24 [2018-12-09 08:16:19,325 WARN L180 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 49 [2018-12-09 08:16:19,562 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 24 [2018-12-09 08:16:19,728 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 24 [2018-12-09 08:16:19,848 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 24 [2018-12-09 08:16:19,960 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2018-12-09 08:16:20,134 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 24 [2018-12-09 08:16:20,397 WARN L180 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 48 [2018-12-09 08:16:20,695 WARN L180 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 48 [2018-12-09 08:16:20,865 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2018-12-09 08:16:21,035 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2018-12-09 08:16:21,146 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 23 [2018-12-09 08:16:21,306 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 23 [2018-12-09 08:16:21,445 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 23 [2018-12-09 08:16:21,645 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 24 [2018-12-09 08:16:21,822 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 24 [2018-12-09 08:16:21,999 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 24 [2018-12-09 08:16:22,158 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 23 [2018-12-09 08:16:22,291 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 24 [2018-12-09 08:16:22,625 WARN L180 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 48 [2018-12-09 08:16:22,741 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 24 [2018-12-09 08:16:22,883 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 24 [2018-12-09 08:16:23,019 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 23 [2018-12-09 08:16:23,314 WARN L180 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 58 [2018-12-09 08:16:23,471 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 23 [2018-12-09 08:16:23,635 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 24 [2018-12-09 08:16:23,791 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 23 [2018-12-09 08:16:23,957 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 24 [2018-12-09 08:16:24,068 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 24 [2018-12-09 08:16:24,231 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 24 [2018-12-09 08:16:24,356 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 23 [2018-12-09 08:16:24,541 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 24 [2018-12-09 08:16:24,655 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2018-12-09 08:16:24,824 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 23 [2018-12-09 08:16:24,991 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 24 [2018-12-09 08:16:25,109 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 23 [2018-12-09 08:16:25,266 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2018-12-09 08:16:25,442 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 49 [2018-12-09 08:16:25,656 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 24 [2018-12-09 08:16:25,785 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 23 [2018-12-09 08:16:25,909 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 24 [2018-12-09 08:16:26,087 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 24 [2018-12-09 08:16:26,233 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 23 [2018-12-09 08:16:26,348 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 24 [2018-12-09 08:16:26,561 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 24 [2018-12-09 08:16:26,683 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 24 [2018-12-09 08:16:26,793 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 24 [2018-12-09 08:16:27,026 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 24 [2018-12-09 08:16:27,217 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 24 [2018-12-09 08:16:27,416 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 24 [2018-12-09 08:16:27,776 WARN L180 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 48 [2018-12-09 08:16:27,883 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 24 [2018-12-09 08:16:28,025 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 23 [2018-12-09 08:16:28,209 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 23 [2018-12-09 08:16:28,372 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 24 [2018-12-09 08:16:28,552 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 44 [2018-12-09 08:16:28,792 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 23 [2018-12-09 08:16:28,897 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 24 [2018-12-09 08:16:29,021 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 24 [2018-12-09 08:16:29,190 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 24 [2018-12-09 08:16:29,376 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 24 [2018-12-09 08:16:29,526 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 23 [2018-12-09 08:16:29,713 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 49 [2018-12-09 08:16:29,854 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 23 [2018-12-09 08:16:30,057 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2018-12-09 08:16:30,057 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 08:16:30,058 INFO L583 CodeCheckObserver]: Invariant with dag size 24 [2018-12-09 08:16:30,063 INFO L583 CodeCheckObserver]: Invariant with dag size 24 [2018-12-09 08:16:30,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 08:16:30 ImpRootNode [2018-12-09 08:16:30,063 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 08:16:30,063 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 08:16:30,063 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 08:16:30,064 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 08:16:30,064 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:09:51" (3/4) ... [2018-12-09 08:16:30,066 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 08:16:30,080 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2018-12-09 08:16:30,081 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-09 08:16:30,082 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-09 08:16:30,083 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 08:16:30,154 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a927680b-5660-449a-8fd3-6b06ea987b6b/bin-2019/ukojak/witness.graphml [2018-12-09 08:16:30,154 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 08:16:30,154 INFO L168 Benchmark]: Toolchain (without parser) took 399743.02 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.4 GB). Free memory was 944.1 MB in the beginning and 881.3 MB in the end (delta: 62.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-12-09 08:16:30,155 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:16:30,155 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 83.4 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -118.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-12-09 08:16:30,155 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-09 08:16:30,155 INFO L168 Benchmark]: Boogie Preprocessor took 29.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-09 08:16:30,155 INFO L168 Benchmark]: RCFGBuilder took 1060.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 833.8 MB in the end (delta: 218.1 MB). Peak memory consumption was 218.1 MB. Max. memory is 11.5 GB. [2018-12-09 08:16:30,155 INFO L168 Benchmark]: CodeCheck took 398229.57 ms. Allocated memory was 1.1 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 830.3 MB in the beginning and 881.3 MB in the end (delta: -51.0 MB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. [2018-12-09 08:16:30,155 INFO L168 Benchmark]: Witness Printer took 90.45 ms. Allocated memory is still 2.4 GB. Free memory was 881.3 MB in the beginning and 881.3 MB in the end (delta: 4.2 kB). Peak memory consumption was 4.2 kB. Max. memory is 11.5 GB. [2018-12-09 08:16:30,156 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 227 locations, 1 error locations. SAFE Result, 386.7s OverallTime, 201 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1086324808 SDtfs, 106551130 SDslu, 744489488 SDs, 0 SdLazy, -136597274 SolverSat, -411040632 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1381.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 319825 GetRequests, 310101 SyntacticMatches, 7724 SemanticMatches, 2000 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2820247 ImplicationChecksByTransitivity, 344.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.7s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 20.8s InterpolantComputationTime, 48977 NumberOfCodeBlocks, 48977 NumberOfCodeBlocksAsserted, 200 NumberOfCheckSat, 48777 ConstructedInterpolants, 0 QuantifiedInterpolants, 56727560 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 200 InterpolantComputations, 113 PerfectInterpolantSequences, 69604/71987 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 571]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((a11 == 1 || a17 == 8) || !(a28 == 9)) || !(a19 == 1)) || (!(a17 == 7) && a21 == 1) || !(a25 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((a11 == 1 || a17 == 8) || !(a28 == 9)) || !(a19 == 1)) || (!(a17 == 7) && a21 == 1) || !(a25 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 290.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 83.4 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -118.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1060.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 833.8 MB in the end (delta: 218.1 MB). Peak memory consumption was 218.1 MB. Max. memory is 11.5 GB. * CodeCheck took 398229.57 ms. Allocated memory was 1.1 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 830.3 MB in the beginning and 881.3 MB in the end (delta: -51.0 MB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. * Witness Printer took 90.45 ms. Allocated memory is still 2.4 GB. Free memory was 881.3 MB in the beginning and 881.3 MB in the end (delta: 4.2 kB). Peak memory consumption was 4.2 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...